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Preparation Method and Application of Ceramics

Release time:

2022-08-09 09:56

The certicizing agent is a so-called phosphorus-free converting agent, such as zirconium, zirconium titanium, silane, zirconium silane, and the like. It can replace phosphating solution, and the compound effect of fluorozirconate and silane coupling agent is better. The nano-ceramic coating composed of zirconium salt is mainly used to replace the traditional crystalline phosphating protective layer, and has excellent adhesion and excellent anti-corrosion function with the metal surface and subsequent coating.

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Now, there is a considerable part of the steel coating pretreatment process is phosphating process. According to the different composition of the formulation, the ceramic solution can be divided into the so-called zirconium system, zirconium titanium system, silane system, zirconium silane system and other ceramic agents, mainly used to replace zinc phosphating solution, iron phosphating, ternary phosphating process.

Nowadays, with the development of the times, this new ceramic agent technology has been successfully used in large quantities. This new surface treatment technology is mature, but different ceramic agent manufacturers have different technical levels, anti-rust performance, salt spray test, Aging time (change slot cycle) will be very different. Excellent ceramic agent natural drying will not rust, treatment of carbon ash board can also achieve good results, salt spray test powder up to 1000 hours, electrophoresis salt spray can be over 720 hours.

Preparation method of ceramifying agent:

The first step: Under normal temperature and pressure, add 2/3 water to the reaction vessel and stir slowly and continuously.

The second stepWhile stirring, slowly add fluorozirconic acid, complexing agent, promoter, ethanol, vinyl silane.

The third step is to continue stirring for a certain period of time, add the remaining water, and adjust the density1.01-1.05 g/ml.

Application of Ceramics

Ceramics is a new type of environmental protection product with low energy consumption and high performance, which is developed by using zirconium salt as raw material. By adding special film-forming additives, the surface of steel, zinc plate and aluminum is chemically treated to form a mixed insoluble nano-ceramic conversion film. The ceramifying agent results in improved adhesion and impact resistance of the coating. The formation of the conversion film does not require heating and does not produce sediment.

 

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The role of phosphating agent is obvious to all. It can not only bring rich benefits to modern machinery production, but also make new breakthroughs in improving the overall processing quality. With the continuous introduction of technology, the type of phosphating solution has also undergone many changes. Medium temperature phosphating solution, slag-free phosphating solution and galvanizing phosphating solution are all representatives of technological innovation. In order to give full play to its use value, manufacturers need to improve the operability of the spraying method, then, the following together to understand the main advantages of phosphating agent using spray method! On the one hand, manufacturers in the use of phosphating agent, comparative analysis of applicable methods. If the phosphating agent is sprayed directly on the surface of the workpiece, the formation speed of the phosphating film is much faster than that of the workpiece immersed in the same phosphating solution, or the phosphating can be carried out at the same time at a lower temperature. In the iron-containing phosphating solution, the iron ions will be oxidized by the atmosphere during the spraying phosphating process, so the spraying phosphating method cannot be used for iron salt phosphating. The spraying method is also not suitable for high-temperature manganese salt phosphating because the heat loss is too large. On the other hand, the spraying method is a method accepted by many manufacturers. The advantages are as follows: 1. The phosphating solution in contact with the metal surface is always fresh. Soaking methods are different. The phosphating solution in contact with the metal surface will gradually lack the film-forming ions, which can only be formed by the diffusion of the phosphating solution from a distance.

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Analysis on the Development Potential of Phosphating Agent Industry

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Phosphating agent technology has been developed for more than 100 years. For more than 100 years, phosphating technology has developed from a simple chemical corrosion method to a complex and comprehensive technology. The application scope of phosphating treatment technology has also developed from the initial metal anti-corrosion to today's metal coating pre-phosphating treatment, metal wear-resistant phosphating treatment, metal anti-corrosion phosphating treatment and metal plasticizing treatment. Phosphating treatment and other applications before denaturation processing, then, let's understand the development potential analysis of phosphating agent industry together! Statistics show that China's phosphate rock reserves account for 5.7 of the world's total, ranking second in the world, with an average grade of about 17%, of which intermediate phosphate rock (grade above 30%) accounts for only 16.7, while the price of phosphate rock in India is 210 US dollars/ton (68-70% BPL), equivalent to the domestic price of 1432 yuan/ton, which is about 1.5 times higher than the price in Hubei market. "China's phosphate rock 'many but not rich', high-grade phosphate rock is very scarce, the price difference at home and abroad is huge." Analysis of the development potential of the phosphating agent industry Phosphating agent refers to the chemical sub-industry that uses phosphate rock as raw material and processes the phosphorus element in the ore into products through chemical methods. The main products are yellow phosphorus, phosphate fertilizer, phosphoric acid, phosphate fertilizer, etc., which are widely used in daily chemicals, food, electronics, medicine, pesticides,

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